Specifications subject to change without notice

Filtronic Compound Semiconductors Ltd

Tel: +44 (0) 1325 301111

Fax: +44 (0) 1325 306177

Email: sales@filcs.com

7

Datasheet v3.0

FPD750SOT89

1. Measured at 10dBm per tone

1.85

Gain

dB

17.2

P1dB

dBm

24

OIP3

1

dBm

35

N.F.

dB

0.7

S11

dB

-5

S22

dB

-10

Vd

V

5

Vg

V

-0.4 to -0.6

Id

mA

100

Board Layout

0.01uF

33pF

0.01uF

C2

33pF

C1

33pF

L1

L2

Q1

Q1

33pF

+

+

1.0uF

Vg

Vd

Lg

Ld

1.45"

0.63"

Component Values

Eval board material - 31mil thick FR4 with 1/2 Ounce Cu

on both sides

Component

Value

Description

Lg

27nH

LL1608 Toko chip inductor

Ld

27nH

LL1608 Toko chip inductor

L1

6.8nH

LL1005 Toko chip inductor

L2

1.8nH

LL1005 Toko chip inductor

C1

2.7pF

ATC 600S chip capacitor

C2

0.5pF

ATC 600S chip capacitor

33pF

33pF

20 Ohm

33pF

33pF

0.01uF

0.01uF

1.0uF

Vd

-Vg

FPD750SOT89 EVAL Board

Schematic

27 nH

27 nH

C1

L2

C2

@ 1.85GHz

RF IN

RF OUT

L1

D.C. Blocking capacitors are ATC series 600S. A tantalum 1.0µF is used at the drain terminal. All

other capacitors are 0603 and 0805 standard chip capacitors. A 0603 size 20 Ohm Chip resistor from

Vishay is used on the gate D.C. bias line for stability.